package thread;

/**
 *静态方法同步
 */
public class SyncDemo3 {
    public static void main(String[] args) {
        Boo b1=new Boo();
        Boo b2=new Boo();
        Thread t1=new Thread(){
            public void run(){
                b1.doSome();
            }
        };
        Thread t2=new Thread(){
            public void run(){
                b1.doSome();
            }
        };
        t1.start();
        t2.start();
    }
}
class Boo{
    public static void doSome(){
        synchronized (Boo.class){//静态方法想使用同步块，同步监视器使用类对象（类名.class）。
            Thread t=Thread.currentThread();
            System.out.println(t+"正在执行");
            try {
                Thread.sleep(5000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            System.out.println(t+"执行完毕");
        }


    }
}
